Level 1
Chapter 6 – Section II – Exercise 8
What number is .8% of 500?
(Hint: percent entry should include the percent sign, %.)
Contemporary Mathematics for Business and Consumers, Eighth Edition
Robert Brechner and George Bergeman
Copyright © 2017 Cengage Learning
Level 1
Chapter 6 – Section II – Exercise 15
What is the rate if the portion is 21.6 and the base is 160?
Contemporary Mathematics for Business and Consumers, Eighth Edition
Robert Brechner and George Bergeman
Copyright © 2017 Cengage Learning
Level 2
Chapter 6 – Section II – Exercise 26
What is the base if the portion is $4,530 and the rate is 35%?
Contemporary Mathematics for Business and Consumers, Eighth Edition
Robert Brechner and George Bergeman
Copyright © 2017 Cengage Learning
Level 2
Chapter 6 – Section II – Exercise 40
A quality control process finds 17.2 defects for every 8,600 units of production.
What percent of the production is defective?
Level 3
Chapter 6 – Section II – Exercise 41
The Parker Company employs 68 part-time workers. If this represents 4% of the
total work force, how many individuals work for the company?
Level 2
Chapter 6 – Section III – Exercise 12
Sunshine Honda sold 112 cars this month. If that is 40% greater than last month, how
many cars were sold last month?
Level 2
Chapter 6 – Section III – Exercise 15
According to the American Association of Retired Persons, AARP, without healthcare
reform, the number of people in the United States without healthcare insurance would
have reached 61 million in 2020. This represents a 24.5% increase from 2010. How many
people were uninsured in 2010? Round to the nearest million.
Level 3
Chapter 6 – Section III – Exercise 19
After a vigorous promotion campaign, Crunchy Flakes Cereal increased its market
share from 5.4% to 8.1%, a rise of 2.7 percentage points. What percent increase in
sales does this represent?
Level 2
Chapter 6 – Assessment Test – Exercise 29
What is the base if the portion is 444 and the rate is 15%?
Level 3
Chapter 6 – Assessment Test – Exercise 30
What is the portion if the base is 900 and the rate is 12 3/4%?
Level 2
Chapter 6 – Assessment Test – Exercise 34
If 453 runners out of 620 completed a marathon, what percent of the runners finished the
race?
Percent that finished = 73.1%
b. If the restaurant chain opens a fourth location at the beach, with 150 seats,
and the total insurance premium increases by 17%, what is the new allocation
of insurance premiums among the four locations?
Excel Extra: After completing your calculations, use Excel’s Chart Wizard to create a pie chart to
show the percent allocated to each category.
Percent increase in premium =
New insurance premium =
Number of seats Percent of total Premium allocation
Level 1
Chapter 6 – Assessment Test – Exercise 40
Three of every seven sales transactions at Dollar Discount are on credit
cards. What percent of the transactions are not credit card sales?
Level 3
Chapter 6 – Assessment Test – Exercise 45
An insurance adjuster for Kemper found that 12% of a shipment was damaged in transit.
If the damaged goods amounted to $4,870, what was the total value of the shipment?
Level 2
Chapter 6 – Assessment Test – Exercise 50a
You are the owner of a chain of three successful restaurants, with the following number of
seats in each location: airport, 340 seats; downtown, 218 seats; and suburban, 164 seats.
a. If the liability insurance premium is $16,000 per year, how much of that premium should
be allocated to each of the restaurants, based on percent of total seating capacity? (Round
each percent to tenths.)